how to enabled ADB mode by calculator method ” (+30012012732+ “
 

Fist Install Minimal ADB & Fastboot tools
extract the Downloaded file and keep it on desktop
Now on your phone, you need to first open calculator and type code
Code to Enter in Calculator: ” (+30012012732+ “
it will open dial window and type code *#0808# “
now select DM + ACM + ADB and reboot your device
open ADB FRP Removal folder and run Samsung FRP Helper V0.2.exe
from top tab select ADB Method and click Remove FRP
just restart your device
Device Into debugging mode.